Information processing device, information processing method and program recording medium

Abstract

An information processing device includes: an acquiring unit configured to acquire a first moving image and a second moving image; an extracting unit configured to extract a first motion from the first moving image and extract a second motion from the second moving image; and an evaluating unit configured to determine a plurality of frames of the second moving image, the frames being frames in which a similarity of the second motion of the second moving image relative to the first motion of the first moving image is equal to or more than a predetermined value.

What is claimed is: 
     
         1 . An information processing device including:
 an acquiring unit configured to acquire a first moving image and a second moving image;   an extracting unit configured to extract a first motion from the first moving image and extract a second motion from the second moving image; and   an evaluating unit configured to determine a plurality of frames of the second moving image, the frames being frames in which a similarity of the second motion of the second moving image relative to the first motion of the first moving image is equal to or more than a predetermined value.   
     
     
         2 . The information processing device according to  claim 1 , wherein the number of frames differs between the first moving image and the second moving image. 
     
     
         3 . The information processing device according to  claim 1 , wherein
 the first moving image is a moving image in which the first motion of a first target person is imaged, and   the second moving image is a moving image in which the second motion of a second target person is imaged.   
     
     
         4 . The information processing device according to  claim 1 , wherein
 the first moving image is a moving image in which the first motion of a first target person is imaged,   the second moving image is a moving image in which the second motion of the first target person is imaged, and   the second moving image is a moving image captured before the first moving image or is a moving image captured after the first moving image.   
     
     
         5 . The information processing device according to  claim 1 , wherein
 the similarity is a coefficient indicating a correlation between data regarding the first motion and data regarding the second motion.   
     
     
         6 . The information processing device according to  claim 5 , wherein
 the evaluating unit determines a plurality of frames of the second moving image in which the similarity of the second motion of the second moving image relative to the first motion of the first moving image is highest.   
     
     
         7 . The information processing device according to  claim 5 , wherein
 the evaluating unit determines, for each of a plurality of joints, a plurality of frames of the second moving image in which the similarity of the second motion of the second moving image relative to the first motion of the first moving image is equal to or more than the predetermined value.   
     
     
         8 . The information processing device according to  claim 7 , wherein
 the evaluating unit sets, as a representative joint, a joint in which the similarity is highest from among the plurality of joints, and sets a plurality of frames of the second moving image in which the similarity of the representative joint is highest, as a plurality of frames used to evaluate another joint.   
     
     
         9 . The information processing device according to  claim 7 , wherein
 the evaluating unit sets, as a representative joint, a joint selected by a target person from among the plurality of joints, and sets a plurality of frames of the second moving image in which the similarity of the representative joint is highest, as a frame used to evaluate another joint.   
     
     
         10 . The information processing device according to  claim 1 , wherein
 for a plurality of frames of the second moving image in which the similarity of the second motion of the second moving image relative to the first motion of the first moving image is equal to or more than the predetermined value, the evaluating unit evaluates the second motion relative to the first motion.   
     
     
         11 . The information processing device according to  claim 10 , wherein
 the evaluating unit uses data indicating a movement of each of joints in the second motion relative to data indicating a movement of each of the joints in the first motion to evaluate the second motion relative to the first motion.   
     
     
         12 . The information processing device according to  claim 10 , wherein
 when the similarity of one joint is lower than an average value of the similarity of a plurality of joints including the similarity of other joints, or deviates from a standard deviation of the similarity of a plurality of joints including the similarity of the other joint, the evaluating unit determines that the joints are misaligned.   
     
     
         13 . The information processing device according to  claim 10 , wherein
 the evaluating unit evaluates data regarding a temporal movement of a joint, and   the information processing device includes an output unit configured to output different information between when an error of data regarding a temporal movement of the joint is large and when an error of data regarding a temporal movement of the joint is small.   
     
     
         14 . An information processing method including:
 acquiring, by an acquiring unit, a first moving image and a second moving image;   extracting, by an extracting unit, a first motion from the first moving image, and extracting, by the extracting unit, a second motion from the second moving image; and   determining, by an evaluating unit, a plurality of frames of the second moving image, the frames being frames in which a similarity of the second motion of the second moving image relative to the first motion of the first moving image is equal to or more than a predetermined value.   
     
     
         15 . A non-transitory computer-readable recording medium that records a program, the program causing a computer to perform:
 acquiring a first moving image and a second moving image;   extracting a first motion from the first moving image;   extracting a second motion from the second moving image; and   determining a plurality of frames of the second moving image, the frames being frames in which a similarity of the second motion of the second moving image relative to the first motion of the first moving image is equal to or more than a predetermined value.